Can someone write a formal Letter of Complaint to the shearwater Company stating the reasons why You did not enjoy your holiday and that You want full refund (5 paragraph)

The balance includes both the fees for service and the shipping charges. is this sentence incomplete or complete?

Which evaluation category receives the highest rating? which evaluation category receives the lowest rating?

Part b: which phrase from the text best support the answers to part a? a. “i don't want to talk to somebody when i go check in at an airport. i just either download the boarding pass to my phone or walk up to a kiosk and get it.” (paragraph 8) b. “you do not have to go far to find someone who disagrees with andrew mcafee, just around the corner to the office of another person at the same university.” (paragraph 11) c. “the set of things that machines do not do like humans is innumerable.” (paragraph 16) d. “you wonder if you're joining that long litany of voices who go down as having made the incorrect prediction one more time, but i think the facts are different this time.” (paragraph 23)